32100112200020 has 24 divisors (see below), whose sum is σ = 68682126860424. Its totient is φ = 12597779881856.

The previous prime is 32100112200007. The next prime is 32100112200029. The reversal of 32100112200020 is 2000221100123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1877957788996 + 30222154411024 = 1370386^2 + 5497468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32100112199968 and 32100112200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32100112200029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15141561299 + ... + 15141563418.

It is an arithmetic number, because the mean of its divisors is an integer number (2861755285851).

Almost surely, 2^{32100112200020} is an apocalyptic number.

It is an amenable number.

32100112200020 is an abundant number, since it is smaller than the sum of its proper divisors (36582014660404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32100112200020 is a wasteful number, since it uses less digits than its factorization.

32100112200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30283124779 (or 30283124777 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 32100112200020 its reverse (2000221100123), we get a palindrome (34100333300143).

The spelling of 32100112200020 in words is "thirty-two trillion, one hundred billion, one hundred twelve million, two hundred thousand, twenty".